Register Windows - a structured database, which contains information about the system settings for each profile on the computer.Incorrect registry changes may cause malfunction of the computer and need to reinstall Windows.
If you want to edit the registry settings, first create a backup copy of the section that are going to change.For that you need administrator rights.At the command prompt, type regedit, to cause the Registry Editor, and then click OK.
In the registry tree to mark the partition that is going to change, and in the "File" menu, choose the command "Export".So you create a patch (patch) register - a text file with the extension * .reg.In the window "File Name" enter the name of the patch.By default, it is saved in the folder "My Documents".
Create patch and registry keys can be different.Click on the selected folder, the right mouse button and in the dropdown menu, select "Export".Assign the patch name in the box and click "Save".
To restore the section, double-click on a file with the extension * .reg.Its contents will be added to the registry.There is another way: in the "File" menu, choose "Import" and select the desired file in the folder where it was saved.
You can save sections from the command line.Enter the command reg save, for instance: reg save HKEY_LOCAL_MACHINE c: CopyHKEY_LOCAL_MACHINE.hive
To restore the registry key, use the reg restore, for example, reg restore HKEY_LOCAL_MACHINE c: CopyHKEY_LOCAL_MACHINE.hive
to save the whole registry you can use the built-in Windows - «Backup Wizard."At the command prompt, type ntbackup.In the "Backup Wizard" click on "Advanced Mode" and then click "Archiving."In the "Backup media ...", specify the folder in which to save the registry.
The list of objects put a check System State, and then click "Archive".In the new window, use the "Advanced" button, and uncheck the item with "Automatically back up ..." to accelerate the process.Archive type set "Normal".Confirm with OK and the "Archive".
to restore the registry from the archive, start the ntbackup at the command line and in the "Backup Utility" go to the tab "Restore and Manage ...".The list of objects tick the "System Status".Specify the source of the recovery, and then click "Restore".
If you did not create backups of the registry, try to use the "System Restore."Restart your computer in safe mode and select the item "Last Known Good Configuration."Specify the date closest to that when changes were made to the registry.
Tip 2: How to restore the registry in Windows
Many problems in Windows related to the errors in the registry .Correction of these faults is achieved by restoring the previous or original state branches of the registry.
- boot disk Windows.
In Windows provides built-in checkpointing the state of the registry.Usually it is executed every 10 days.This feature allows you to restore it without many losses associated with the failure of certain programs.Start the Recovery Console, a bootable disk using Windows.
Insert the specified disk drive.Turn on your computer and hold down F8.Set the start priority item on DVD-Rom and press Enter.When working with Windows XP, you must press R in the first dialog menu.
If you are using OS Vista or Seven, go to the "System Restore."Now, select "Command Prompt."Enter the appeared console notepad, and then press Enter.
After starting the program "Notepad", press Ctrl, and O. Go to the hard disk on which Windows is installed.Open the folder Config, located in the directory System32.
find the file in the folder system, select it and press F2.Rename the working file by adding an extension bad.Similarly, change the properties of the following files: software, sam and default.Navigate to the folder RegBack and copy the files from there with the same name.Insert them into the folder Config.
Quit Recovery Console by typing Exit.Wait until the computer is restarted.Log on to the operating system.Press "Start" and go to the control panel.
Perform System Recovery using the available control points.This allows you to avoid errors related to the corrections made in the register of Windows.Once again, restart the computer after successful completion of the recovery process.